12
PART III : ALIGNMENT
3.
Users can now use the direction keys to move the telescope to align with the 1
st
alignment
star. Center the 1
st
alignment star in the FOV of the finder scope, and then center it in the
FOV of the telescope’s eyepiece; press
ENTER
key to confirm centering of the star and pro
-
ceed to the next step. Generally, users can use Rate 5 or 6 to center the star in the finder
scope and use Rate 2 or 3 to center the star in the telescope’s eyepiece.
4.
If the user has chosen 1-Star Alignment method before, the SynScan hand control will now
display “
Alignment Successful
”. Press
ENTER
key to complete the alignment process and
skip extra messages.
5.
If the user has chosen 2-Star Alignment or 3-Star Alignment before, the SynScan hand
control will then proceed to the next step.
The operation is the same as that of
Aligning the 2
nd
Star.
1.
While the mount is slewing during the alignment, users may press the ESC key to stop the
mount. The hand control screen will display “
MOUNT STOPPED!!. Press any key…
”
2.
Press any key and the SynScan hand control will ask the user to select another alignment
star.
3.
Press the
ESC
key again, the LCD screen will display “
Exit Alignment? 1) YES 2) NO
”. Press
key
1
to exit the alignment process; press key
2
to go back to choose an alignment star.
1.
Find the brightest stars in the current sky with naked eyes, and estimate their horizontal
region (orientation).
2.
The hand control displays “
Select Region
”. Use the scroll keys to pick one of the eight re-
gions shown in
Fig 3.4a
, which matches the horizontal region of the brightest stars. Press
ENTER
to confirm the selection and proceed to the next step.
3.4 Alt-Azimuth Mounts using
Brightest Star Alignment Method
Aligning the 2
nd
Star:
Selecting and Aligning the 3
rd
Star:
Cancelling the Alignment Process:
1.
Again, the SynScan hand control asks the user to choose and align a 2
nd
alignment star.
The operation is the same as that of aligning the 1
st
alignment star.
2.
If the user has chosen 2-Star Alignment before, the SynScan hand control will display
“
Alignment Successful
” after confirmation of centering the 2
nd
alignment star.
3.
Two seconds later, the LCD screen will display the polar-alignment offset of the mount.
The “
Mel
” value is the offset in elevation, and the “
Maz
” value is the offset in azimuth. Press
ENTER
key to skip extra messages.
4.
If the user has chosen 3-Star Alignment before, the SynScan hand control will then pro-
ceed to the next step.
Aligning the 1
st
Star: